How many sets of chromosomes do humans have?
23
What did Mendel experiment with?
Pea plants
What are the chromosomal compositions of males and females?
Female -> XX
Are the backbones of DNA parallel or antiparallel?
Antiparallel
What is the site of translation
Ribosomes
In which phase of the cell cycle is DNA copied?
Interphase
An example of a heterozygous genotype would be...
Xx, Rr, Tt...
Are map units on a genetic map linear?
No
Where does replication take place in prokaryotes?
Cytoplasm
A series of non-overlapping, three-nucleotide “words”
codon
In plant cells, a ____ ____forms during cytokinesis
cell plate
This rule is used when determining if offspring will have one trait OR another trait.
Addition rule
Offspring that look like their parents have a parental phenotype. What is it called when offspring do not look like their parents?
Recombinant
Which nitrogenous base family has just a six-ring
Pyrimidines
What is the start codon?
AUG
“body cells”, any cell other than a gamete
somatic cells
Can a parent with a homozygous dominant gene have a child with the recessive trait?
No
What is the chromosome called that is sometimes muted in X inactivation?
Barr Body
What are the small fragments on the lagging strand called?
Okazaki fragments
Name the three stop codons
UAA, UGA, UAG
Gametes have one set of chromosomes and are therefore called _______ (n).
Haploid
What is the difference in phenotype and genotype
Phenotype: physical appearance
Genotype: genetic code
What are the two kind of polyploidy?
Triploidy and tetraploidy
Which protein joins all of the small pieces on the lagging strand together?
Ligase
What is the promoter box called in the initiation of transcription
TATA box